Part A A system proposed by the U. S. Navy for underwater submarine communication, called ELF (for extremely low frequency), operates with a frequency of 30 Hz . What is the wavelength of this radiation in meters

An unknown substance has a melting point of 1064 ∘c, is insoluble in water, conducts electricity as a solid, and is hard. given these properties, which of the following are possible identities for the unknown substance? check all that apply. view available hint(s) check all that apply. sio2 f2 au kbr

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil

What is the technical name for super glue type adhesives?